GTAC Observation Log 1. Date : 22/07/2009 2. Observation Sr. No. : 4426 3. Observer : Viswesh 4. Observer's Email : viswesh@ncra.tifr.res.in 5. Project Name : G76.9+1.0 6. Project Code : 09DT031 7. Operator(s) : Jayprakash, Nilesh, Rupsingh, Shilpa 8. Command File : /odisk/gtac/cmd/viswesh/g76.9+1.0.cmd 9. LTA File : /rawdata/22jul/09dt031_22jul2009.lta, /rawdata1/22jul/09dt031_22jul2009.ltb 10. LogFlag File : /odisk/online1/logflags/09DT031.FLAGS.1 ANTENNA SETTINGS : 11. RF Freq(MHz) & Solar Attn(dB)- RF1 : 325 MHz ,RF2 : 325 MHz, SA1 : 0 dB, SA2 : 0 dB 12. Ist LO (MHz) & IVth LO (MHz) : ILO1 : 255 MHz, ILO2 : 255 MHz, IVLO1 : 70 MHz, IVLO2 : 70 MHz 13. IF Attn(dB) , IF BW(MHz) & IF ALC : IF-CH1 : 20+4 dB, 32 MHz,OFF, IF-CH2 : 20+4 dB, 32 MHz,OFF 14. BB BW(KHz) & BB ALC : 16000 KHz, OFF CORRELATOR SETTINGS : 16. Channels : 0:127:1 17. Frequency Parameters (TPA) : 325 325 255 255 70 70 18. Integration Time : 128 LTA ~ 16.908 Sec. 19. No of Antennas Working(Fringing) :28 20. Name of Non-Working Antennas (with reason for each) : W05 : abc timeout. S06 : Servo problem. 21. Note for Backup : -- 22. Start and End Time of Obs.(IST): 18:15 - 07:00 23. ONLINE Machine : Shivneri 24. Correlator Mode : IndianPolar 25. Comments (During Observations) : 18:15 : Started settings. tpa 325 325 255 255 255 70 70. Cal-noise level - Medium cal (2). Noise 50% on. LTA1 : 1. LTA2 : 8. Power equilised on 3C286 at 100 counts (IF and BB). 19:45 : Started scan on 3C286. 20:05 : Stopped scan. 20:12 : '/odisk/gtac/cmd/viswesh/g76.9+1.0.cmd' command file started. 01:25 : Command file stopped. 01:30 : Started scan on 3c48 for 20 min. 01:50 : Stopped scan. 01:55 : Restarted command file. 06:21 : Stopped command file. 06:22 : Started scan on phase cal. 06:27 : Stopped scan. 06:32 : Started scan on 3c48. 06:57 : Stopped scan and closed observation.